Tuber cinereum

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Brain: Tuber cinereum
Gray724.png
Base of brain. (Tuber cinerum visible at center.)
Gray's subject #189 813
NeuroNames hier-376
MeSH Tuber+cinereum
Dorlands/Elsevier t_21/12827470


Overview

The tuber cinereum is a hollow eminence of gray matter situated between the mammilary bodies, behind, and the optic chiasma, in front. The tuber cinereum is part of the hypothalamus.

Structure

Laterally it is continuous with the anterior perforated substances and anteriorly with a thin lamina, the lamina terminalis.

The infundibulum, a hollow conical process, projects from the tuber cinereum. The infundibulum extends forward and down where it is attached to the posterior lobe of the pituitary gland.

It houses the nuclei:

  • tuberal nucleus
  • tuberomamillary nucleus [1]

Tuberomamillary nucleus

The tuberomammillary nucleus (TMN) is the sole source of histamine in the brain. [2]

Function

Circadian rhythm

By its release of histamine, the tuberomamillary nucleus of the tuber cinereum regulates the circadian cycle.

See also

Additional images

References

  1. patients.uptodate.com - Abstracts for References 5 and 6 of 'Hypothalamic-pituitary axis'
  2. ingentaconnect.com - IngentaConnect Estrogen receptors and metabolic activity in the ...

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

External links



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